混凝土是沙和水泥的混合物。
建筑工人们不知道该往混凝土中加入多少水泥才合适。
Builders have trouble getting the right amount of cement into their concrete.
几名士兵在街道上混合水泥，举给同事们当砂浆用，累砌混凝土块。
Several soldiers mix cement on the street, lifting it up to their colleagues who use it as mortar, placing a concrete block on top of concrete block.
因此在建筑业范围内，混凝土是水泥与沙或沙砾等填充物混合之后的产物。
So in the construction industry concrete is the stuff that results when you mix cement with filler material like sand or gravel.
当你想到，在地球上每年要消耗多少的水泥混凝土的时候，这将是温室气体排放的，一个主要来源。
And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
作为当地人口参与重建工作的一部分，妇女自助小组参与了砖、瓦、以及现代水泥混凝土空心砖的制作。
And as part of the effort to involve the local people in rebuilding, women's self help groups are producing bricks, roofing tiles, and cement concrete hollow blocks to modern specifications.
我从来分不大清水泥(cement)和混凝土(concrete)，不过从词源上看，两者的家底不同，严格来说，它们显然也是不同的东西。
I never made much distinction between cement and concrete, but etymologically the have a different background and evidently they are technically different too.
每吨的混凝土水泥生产会向大气层排放一吨的温室气体二氧化碳。
Every ton of cement manufactured for use in concrete emits a ton of the greenhouse gas carbon dioxide (CO2) into the atmosphere.
此外他们还找到十三具遗体，但更多的遗体可能还被掩埋在混凝土，砖块和水泥废墟下面三十英尺的地方，因为这里已经可以闻到轻微的腐烂气味。
They had also found 13 bodies, but many more remain beneath the 30-foot pile of concrete, brick, and plaster, as the slight odor of putrefaction hanging over the site testifies.
门后便是缅甸行动组织在当地的总部，这是大而破旧的两层楼房子，木材和混凝土材料都老化严重，左边是阳台，后边还有一个水泥砌成的车库。
Behind it stood Burma Action's local HQ, a big but run-down house, two stories of worn wood and dirty concrete with a balcony on the left, cement garage on the right.
煤渣有众多的工业用途：可制成水泥、混凝土还有高速公路的基土。
Coal ash has a number of industrial uses-cement, concrete and highways among them.
1991年采取了对裂缝水泥灌浆和对裂缝区域混凝土增加预应力的方法进行修复。
Repairs were made in 1991 by grouting the cracks and installing prestressed anchors in the cracked areas.
几名士兵在街道上混合水泥，用锄铲机举升给同袍们用作砂浆，一层层地累砌混凝土砌块。
A couple of soldiers mix cement on the street, lifting it up by a backhoe to their colleagues who use it as mortar, placing concrete block on top of concrete block.
这样，不仅利用了尾矿废料，同时还有进一步降低混凝土水泥用量、节约成本的可能。
So, not only use the tailings waste, and further reduce the dosage of cement and concrete cost-saving possible.
布朗说，“要使刺激计划在最大程度上创造工作机会，我们需要使用美国制造的材料，那就是说使用俄亥俄的钢材，就是说使用美国制造的混凝土、水泥、和其他材料。”
"To do the stimulus package in the maximum job-creation way, we ought to be using American-made materials," said Brown. "That means Ohio steel."
他们把沙子和水泥混合制成混凝土。
混凝土是用水泥、沙、石子和水制成的。
它具有掺量低、减水率高的优点，但与水泥适应性较差和坍落度损失大一直是混凝土生产上的难题。
It has high water reducing rate at low dosage whether the adaptability problem with cement and high slump loss are always the point in concrete production.
类似创造的最初的想法是在混凝土中尝试使用光钎，但是意大利水泥公司声称他们的做法更好。
Previous attempts at a similar feat had been tried using fibre optic cables through concrete, but Italcementi claims its version is better.
粉煤灰对高贝利特水泥和混凝土的工作性、强度及水化热的影响。
Effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete.
工人们把沙，石子和水泥混和成混凝土。
The workmen mixed sand, gravel, and cement to make concrete.
用锯子或凿子一起切割固化混凝土管段以及水泥部分，形成奇形接头。
Cut cured concrete pipe sections with saw or chisel, and cement sections together to form odd shaped fittings.
该刀片将需要保护的削弱难以债券削减绿色混凝土和水泥固化软的债券。
The blade will need a harder bond with undercut protection to cut green concrete and a softer bond for cured concrete.
水泥、混凝土或人造石制品，不论是否加强。
Articles of cement, of concrete or of artificial stone, whether or not reinforced.
同时论文对抗滑低噪声水泥混凝土路面机械化施工工艺进行了研究。
The paper also studies the mechanization construction technology of Tunnel Skid-resistance Low-noise Cement Concrete Pavement.
它的用途就是把凝固的混凝土从各种设备、工具、料斗和泵等水泥设备及表面去除。
Its purpose is to set the concrete from a variety of equipment, tools, hopper and cement equipment such as pump and surface to remove.
旧水泥混凝土再生骨料是一种新材料，必须对其路用性能进行研究。
Recycled aggregate of old cement concrete is a new material and it is necessary to study the road performance.
在硝酸介质中，通过比浊法测定水泥混凝土中微量氯化物。
In the medium of nitric acid, the trace chloride in the cement concrete was determined by turbidimetry.
硬化混凝土地坪中，节约水泥用量，施工中不提浆，增加强度和耐磨耐久性作用。
For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.
硬化混凝土地坪中，节约水泥用量，施工中不提浆，增加强度和耐磨耐久性作用。
For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.
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